Started playing around with type extensions and typebound

procedures.
Merged performance fixes from trunk.

docs/html/node99.html

@@ -108,9 +108,9 @@ Error code: if no error, 0 is returned.
 Legal inputs to this subroutine are interpreted depending on the
 <IMG
  WIDTH="42" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
- SRC="img135.png"
+ SRC="img139.png"
  ALT="$ptype$"> string as follows<A NAME="tex2html28"
-  HREF="footnode.html#foot6689"><SUP>3</SUP></A>:
+  HREF="footnode.html#foot6717"><SUP>3</SUP></A>:
 <DL>
 <DT><STRONG>NONE</STRONG></DT>
 <DD>No preconditioning, i.e. the preconditioner is just a copy
@@ -133,7 +133,7 @@ Legal inputs to this subroutine are interpreted depending on the
   by the data allocation boundaries for each process; requires no
   communication. Only the incomplete factorization <IMG
  WIDTH="56" HEIGHT="32" ALIGN="MIDDLE" BORDER="0"
- SRC="img136.png"
+ SRC="img140.png"
  ALT="$ILU(0)$"> is
   currently implemented.  
 </DD>